operating system set 3 Detailed Explanation And More Example

Question : 1

The Linux operating system supports

a) Single thread per process and single process.

b) Multiple thread per process and single process.

c) Single thread per process and multiple processes.

d) Multiple thread per process and multiple processes.

Question : 2

Physical address in memory management is

a) Actual location in main memory

b) Memory location independent of current assignment of data to memory.

c) Memory location dependent to some known point.

d) None of these.

Question : 3

In semaphore the process blocked by wait operation is unblocked if

a) Semaphore value becomes nonnegative

b) Semaphore value becomes nonpositive

c) Semaphore value is negative

d) Semaphore value is positive.

Question : 4

Instruction register contains

a) The address of an instruction to be fetched.

b) The instructions most recently fetched.

c) The data to be written into memory.

d) The data to be read from memory.

Question : 5

Which of the following is not an address register?

a) Index register

b) Segment pointer

c) Stack pointer

d) Data register.

Question : 6

Which of the following is an example of a spooled device?

a) A line printer used to print the output of a number of jobs

b) A terminal used to enter input data to a running program

c) A secondary storage device in a virtual memory system

d) A graphic display device